#!/bin/sh

time_out=0

querygt3s=0

i=1

while [[ $i -le 15 ]]

do

i=`expr $i + 1`

sleep 2

while read line

do

        start_time=`date +%s`

        query_count=`dig $line +short|wc -l`

        stop_time=`date +%s`

        query_time=`expr $stop_time - $start_time`

        while true

        do

            if [[ $query_time -gt 2  ]];then

                querygt3s=`expr $querygt3s + 1`

            elif [[ $query_count -eq 0 ]];then

                time_out=`expr $time_out + 1`

            fi

            break

        done

done < /data/etc/dnslist.txt

done

echo `expr $querygt3s + $time_out` > /data/etc/dnscount.txt